Aquarium gravel is both beautiful and functional when you use CaribSea Instant Aquarium Freshwater Substrates. These attractive substrates are packed with water containing beneficial bacteria to condition and cycle new setups. Live water-purifying bacteria jumpstart the cycling process to minimize "New Tank Syndrome." Rich substrate coloration provides a gorgeous backdrop for tropical aquarium fish.

Description:
Set up amazing refugiums teaming with beneficial life.
CaribSea A.R.K. Aragonite Refugium Kit is the first complete refugium kit designed for the growth and proliferation of vital microflora, microfauna and sponges. Produce these hard to obtain natural foods AND ...